ST. PAUL -- Minnesota would measure how much wild-rice-killing sulfide is in the water of specific wild-rice lakes and rivers when setting pollution regulations, and not just the sulfate that spurs ...

The process by which plants and algae acquire sulfur—converting sulfate into sulfide—requires a lot of energy and produces harmful intermediates and byproducts that need to be immediately transformed.

The Minnesota Court of Appeals upheld a state agency’s decision to deny an iron ore mine and processing plant’s request to allow a downstream lake to have sulfate pollution nearly eight times higher ...

Inorganic sulfate (SO 4 2−) is required for the synthesis of 3′-phosphoadenosine-5′-phosphosulfate (PAPS). PAPS is required for synthesis of many important sulfur-containing compounds, such as ...

CHISHOLM — Long on the books but not enforced, Minnesota regulators are beginning to implement the state’s limit on sulfate released into wild rice waters, reigniting a contentious environmental ...

Minnesota state officials have announced plans to conduct further analysis of the impacts of sulfate pollution on wild rice in Minnesota lakes and rivers. The announcement comes amid concerns that ...